Role of Iron in the Amorphization Process in Friction-Induced Phosphate Glasses
- 1 January 1989
- journal article
- research article
- Published by Taylor & Francis in Tribology Transactions
- Vol. 32 (3) , 410-413
- https://doi.org/10.1080/10402008908981907
Abstract
Wear debris from ZDDP lubricated tests run under mild wear conditions have been investigated by X-ray Absorption Fine Structure Spectroscopy (EXAFS). Special attention has been paid to the state of iron in the amorphous wear fragments. Results indicate the presence of Fe3+ species as a modifier of the phosphate network formed during tribo-reaction. As the anti-wear regime of ZDDP is characterized by a decrease of the abrasive wear, it is suggested that the anti-wear action of ZDDP is reliable to the diffusion of iron oxides in the phosphate, this latter being gently delaminated.Keywords
This publication has 7 references indexed in Scilit:
- Isolation and Chemical Characterization of a Zinc Dialkyldithiophosphate-Derived Antiwear AgentA S L E Transactions, 1986
- Friction-Induced Amorphization with ZDDP—An EXAFS StudyA S L E Transactions, 1986
- The nature and origin of wear particles from boundary lubrication with a zinc dialkyl dithiophosphateWear, 1984
- Coordination of iron in oxide glasses through high-resolution K-edge spectra: Information from the pre-edgeSolid State Communications, 1983
- Study of theedges oftransition metals in pure and oxide form by x-ray-absorption spectroscopyPhysical Review B, 1983
- The Nature of Wear Debris Generated During Lubricated Wear-InA S L E Transactions, 1983
- The antiwear mechanism of zddp's. Part IITribology International, 1982